<html>
  <head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <style>
      body { 
        width: 300px; 
        padding: 10px; 
        font-family: Arial, sans-serif; 
      }
      input, button { 
        width: 100%; 
        margin: 5px 0; 
        padding: 5px; 
      }
    </style>
  </head>
  <body>
    <h2>网站匹配设置</h2>
    <input type="text" id="websiteInput" placeholder="输入网站匹配规则 (如: *://github.com/*)">
    <button id="saveButton">保存规则</button>
    <div id="savedWebsites"></div>
    <script src="popup.js"></script>
  </body>
</html>